27888332004 has 81 divisors (see below), whose sum is σ = 76371041019. Its totient is φ = 8577017280.

The previous prime is 27888331997. The next prime is 27888332053. The reversal of 27888332004 is 40023388872.

The square root of 27888332004 is 166998.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 876752100 + 27011579904 = 29610^2 + 164352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13024774 + ... + 13026914.

Almost surely, 2^27888332004 is an apocalyptic number.

27888332004 is the 166998-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27888332004

27888332004 is an abundant number, since it is smaller than the sum of its proper divisors (48482709015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27888332004 is a wasteful number, since it uses less digits than its factorization.

27888332004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 27888332004 in words is "twenty-seven billion, eight hundred eighty-eight million, three hundred thirty-two thousand, four".